if the third proportion to7 and x is 28 find the value of x.
Answers
Answered by
2
Answer:
x
=
14
Explanation:
The third proportional of two numbers a and b is defined to be that
number
c
such that
a
:
b
=
b
:
c
∴
7
x
=
x
28
∴
x
2
=
7
⋅
28
=
2
2
⋅
7
2
∴
x
=
7
⋅
2
=
14
Step-by-step explanation:
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